vismaytiwari opened a new pull request, #16382:
URL: https://github.com/apache/lucene/pull/16382
### Description
Fixes #16134.
`WildcardQuery.toAutomaton` created a separate `Automata.makeAnyString()`
automaton for every unescaped `*`. Consecutive `*` wildcards match the same
language as a single `*`, but the repeated form made `Operations.concatenate`
build a much larger automaton.
This collapses consecutive unescaped `*` tokens while preserving escaped
`\*` as a literal. It also adds a regression test that checks repeated
asterisks produce the same automaton shape as a single asterisk.
Before the change, `WildcardQuery.toAutomaton(new Term("field",
"*".repeat(10000)))` built `50,005,000` transitions locally. After the change,
the same input builds `1` transition.
Validation:
- `./gradlew tidy`
- `./gradlew :lucene:core:test --tests TestWildcardQuery
-Dtests.seed=5EEC297244EB01E6 -Dtests.asserts=true -Dtests.file.encoding=UTF-8`
- `./gradlew :lucene:core:check -Dtests.seed=5EEC297244EB01E6
-Dtests.asserts=true -Dtests.file.encoding=UTF-8`
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